2.7 sec in total
351 ms
2.2 sec
89 ms
Welcome to narcis.nl homepage info - get ready to check NARCIS best content for Netherlands right away, or after learning these important things about narcis.nl
NARCIS is dé nationale portal voor wie zoekt naar wetenschappelijke informatie, onderzoeksdata, onderzoekssoftware, beschrijvingen van onderzoeksprojecten en meer.
Visit narcis.nlWe analyzed Narcis.nl page load time and found that the first response time was 351 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
narcis.nl performance score
name
value
score
weighting
Value5.1 s
8/100
10%
Value5.3 s
22/100
25%
Value6.1 s
45/100
10%
Value150 ms
95/100
30%
Value0.032
100/100
15%
Value8.0 s
43/100
10%
351 ms
634 ms
49 ms
440 ms
453 ms
Our browser made a total of 30 requests to load all elements on the main page. We found that 80% of them (24 requests) were addressed to the original Narcis.nl, 13% (4 requests) were made to Google.com and 7% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (634 ms) belongs to the original domain Narcis.nl.
Page size can be reduced by 158.9 kB (72%)
220.2 kB
61.2 kB
In fact, the total size of Narcis.nl main page is 220.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Javascripts take 112.1 kB which makes up the majority of the site volume.
Potential reduce by 19.5 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 2.8 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 19.5 kB or 80% of the original size.
Potential reduce by 2.8 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, NARCIS needs image optimization as it can save up to 2.8 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 80.6 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 80.6 kB or 72% of the original size.
Potential reduce by 56.1 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Narcis.nl needs all CSS files to be minified and compressed as it can save up to 56.1 kB or 84% of the original size.
Number of requests can be reduced by 15 (54%)
28
13
The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NARCIS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
narcis.nl
351 ms
www.narcis.nl
634 ms
webfont.js
49 ms
default.css
440 ms
jquery-latest.min.js
453 ms
jquery.client.js
178 ms
jquery.easing.1.3.js
179 ms
jquery.scrollTo-min.js
179 ms
jquery.selectbox-0.6.1.js
262 ms
jquery-ui-1.7.2.custom.min.js
452 ms
fontdetect.js
354 ms
default.js
452 ms
jsapi
33 ms
reset.css
90 ms
js-enabled.css
179 ms
14 ms
ui+en.css
2 ms
dygraph,webfontloader,format+en,default+en,ui+en,bar+en,corechart+en.I.js
20 ms
logo-knaw-print.png
178 ms
fake-src.gif
178 ms
logo_dans.png
178 ms
link-arrow-r-onblue.gif
179 ms
arrow-down.png
180 ms
link-arrow-r-ongold.gif
181 ms
link-arrow-r-11px.gif
323 ms
logo-narcis.gif
350 ms
youtube.gif
354 ms
logo_KNAW.gif
354 ms
logo_NWO.gif
354 ms
tooltip.css
73 ms
narcis.nl accessibility score
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
narcis.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
narcis.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Narcis.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Narcis.nl main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
narcis.nl
Open Graph description is not detected on the main page of NARCIS. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: